{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject.Gender", "Treatment.Disorder", "Subject", "Subject.Disorder", "Treatment.Route", "Treatment.Drug", "Effect", "Subject.Age", "Treatment.Time_elapsed", "Treatment.Duration", "Treatment", "Treatment.Freq"]}], "input": "We believe that this represents an unusual case of moderate-dose MTX-induced neurotoxicity in a patient with gastric cancer, which has not previously been reported."}
{"potential therapeutic event": []}